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Architectural Design Services Sheffield
Plans For Extensions is a Sheffield-based architectural design practice specialising in residential and commercial property extensions, conversions, and structural planning. With extensive experience in single and two-storey extensions, loft conversions, annexes, and internal alterations, we combine technical expertise with practical design solutions. Our team provides comprehensive services including initial consultations, detailed planning, structural calculations, and submission of planning applications.

We prioritise clear communication, offering free initial meetings and rapid amendments to ensure client satisfaction. Our portfolio demonstrates successful projects across Sheffield and South Yorkshire, reflecting our commitment to enhancing property functionality while maintaining aesthetic integration. We support clients through every stage, from concept to construction, with competitive pricing and a focus on delivering value-driven outcomes.
Services
Single Storey Extensions Two Storey Extensions Loft Conversions Structural Calculations Annex Design Internal Alterations Commercial Projects Planning Applications
Highlights and features
  • We offer free initial consultations and site visits
  • Our team provides detailed structural calculations and planning expertise
  • We guarantee rapid design amendments and clear communication
  • We handle full planning permission and building control submissions
  • Our competitive pricing includes comprehensive design packages
What people say
Highly recommend Very competitive prices Extremely patient Prompt plans Thorough guidance
Services
Single Storey Extensions
Designing practical single-storey extensions that maximise living space and property value. Our service includes site assessment, detailed planning, and structural calculations. Clients receive multiple design options and full planning application support.
Loft Conversions
Transforming underused loft spaces into functional rooms with expert planning and structural design. We provide comprehensive solutions from initial concept to building control approval, ensuring optimal space utilisation and compliance.
Structural Calculations
Providing precise structural calculations for extensions and alterations. Our technical expertise ensures safety compliance and planning approval readiness, with detailed documentation for building control submissions.
People
Neil
Architectural Designer
With over 15 years' experience in residential design, Neil specialises in creating practical extension solutions. He manages client consultations and ensures technical accuracy in all planning submissions.
Abaid
Design Partner
Abaid focuses on structural planning and client communication. His expertise in navigating planning regulations ensures smooth project approvals while maintaining design integrity.
Questions
What areas do you cover?
We operate throughout Sheffield and South Yorkshire, providing architectural design services for residential and commercial properties.
Do you handle planning applications?
Yes, we prepare and submit full planning applications including structural calculations and technical drawings required for approval.
How much do your services cost?
Prices vary by project complexity. We provide detailed quotes within 7 days of initial consultation with no obligation.
Can you help with structural calculations?
Yes, our service includes comprehensive structural calculations required for building control approval and construction compliance.
What's your design process?
We follow a 6-stage process: initial consultation, site visit, design draft, amendments, technical finalisation, and planning submission.
Reviews (4)
John Mccann
Oct 25, 2021 Report
Positive:Professionalism,Responsiveness
Neil and his team sorted my plans and planning permission hassle free and made changes I requested quickly, nothing was too much trouble. I am very pleased with the service and would use again if I had the need in the future.
Ryan Adams
Oct 01, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
Great service from Neil and Ben to produce our extension plans. They are always more than happy to answer questions and provide advice to help you through the whole process. Good value for money, but the service is just as important and they were excellent. We highly recommend them. Thanks guys
Josh Walker
Sep 23, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
Neil and Ben were very helpful an meticulous. There plans allowed us to rebuild our kitchen/dining area exactly how we wanted it. Very helpful and got back to us right away whenever we had any questions. Very friendly and would 100% recommend.
Mike Cook
Aug 22, 2021 Report
Used Neil/Ben twice now for a Garage conversion and single store extension. I cant recommend them highly enough, fantastic communication throughout and always happy to help. Nothing is ever too much hassle.
Fantastic service from start to finish.